• Clock mode or wireless fish finder mode.
• No more long & heavy cable for transducer.
• Rechargeable: includes 3.7V rechargeable lithium batteries.
• 1.77inch TFT color LCD, pixels: 128V * 160H.
• User modes: language, sensitivity, depth range, zoom, depth alarm, fish alarm, fish icon, power save, depth units, temp. unit settings.
• 10-level sensitivity settings available. A higher-degree sensitivity can help you get more accurate information to detect the fish.
• Built in memory stores sonar setting when the fish finder is turned off.
• Two small holes on the wireless sensor allow you to tether with your fishing line and cast it onto water as far as you want.
• 60m / 200ft wireless operating range, 45m / 147ft depth capability.
• 90 degrees beam angle in 125Khz (Wireless).
• Display underwater contour and water temperature.
• Comes with fish depth scale and audible fish alarm.
• Small, medium, or big sized fish icon displays on the screen when fish is detected.

Specification: 
1. Display: 1.77 inch TFT color LCD, pixels: 128V * 160H
Display Size: 50 * 38mm / 2.0 * 1.5in
User Mode: Wireless Mode / Clock Mode
Backlight: On/off White LED
Operating Frequency: 433.92MHz
Waterproof Design: Level-4 (Spray-water-proof)
Power: 3.7V rechargeable lithium batteries (included)
Power Source: DC 10-18V
Weight: 106g / 3.76oz

2. Sonar & Radio
Depth Capability: 0.6-45m / 2-150ft
Wireless Operating Range: 60m / 200ft
Sonar Coverage: 90 degrees beam angle in 125Khz
Operational Temperature: -14°F – 122°F (-10°C-50°C)
Power: 1 * replaceable CR2032 battery (included)
Size: 79 * 55 * 54cm / 3.1 * 2.2 * 2.1in
Weight: 44g / 1.55oz

Package List:
1 * Wireless Remote Sonar Sensor
1 * Watch Fish Finder
1 * USB Charging Cable
1 * USB AC Adapter Charger
1 * Vehicle Charger
1 * Manual